Matrix: Pajek/Zewail

Description: Pajek network: Zewail citation network

Pajek/Zewail graph Pajek/Zewail graph
(bipartite graph drawing) (graph drawing of A+A')


Pajek/Zewail
scc of Pajek/Zewail

  • Home page of the UF Sparse Matrix Collection
  • Matrix group: Pajek
  • Click here for a description of the Pajek group.
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  • download as a MATLAB mat-file, file size: 161 KB. Use UFget(1534) or UFget('Pajek/Zewail') in MATLAB.
  • download in Matrix Market format, file size: 205 KB.
  • download in Rutherford/Boeing format, file size: 143 KB.

    Matrix properties
    number of rows6,752
    number of columns6,752
    nonzeros54,233
    # strongly connected comp.6,706
    explicit zero entries0
    nonzero pattern symmetry 0%
    numeric value symmetry 0%
    typeinteger
    structureunsymmetric
    Cholesky candidate?no
    positive definite?no

    authorE. Garfield
    editorV. Batagelj
    date2002
    kinddirected multigraph
    2D/3D problem?no

    Additional fieldssize and type
    pubyearfull 6752-by-1
    gcsfull 6752-by-1
    nodenamefull 6752-by-28

    Notes:

    ------------------------------------------------------------------------------
    Pajek network converted to sparse adjacency matrix for inclusion in UF sparse 
    matrix collection, Tim Davis.  For Pajek datasets, See V. Batagelj & A. Mrvar,
    http://vlado.fmf.uni-lj.si/pub/networks/data/.                                
    ------------------------------------------------------------------------------
     Articles citing and by AH Zewail, 1970-2002, Wed Jul 31 15:46:38 2002        
    

    SVD-based statistics:
    norm(A)33.8906
    min(svd(A))0
    cond(A)Inf
    rank(A)4,301
    null space dimension2,451
    full numerical rank?no
    singular value gap2.69597e+11

    singular values (MAT file):click here
    SVD method used:s = svd (full (A)) ;
    status:ok

    Pajek/Zewail svd

    For a description of the statistics displayed above, click here.

    Maintained by Tim Davis, last updated 12-Mar-2014.
    Matrix pictures by cspy, a MATLAB function in the CSparse package.
    Matrix graphs by Yifan Hu, AT&T Labs Visualization Group.